Comment by dspillett
Definitely something akin to this for me too. My ability to concentrate has definitely fallen off since my younger years, precipitously since 2020.
That and I'm trying to re-learn Spanish to a useful degree¹ - better attentiveness to the task would help with that too.
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[1] I did pretty well at GCSE level three decades ago, then never used it again. I fancy spending time over there in future and don't want to be that guy who turns up and expect everyone to speak some English.